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Phleum
See list of 4 species in this genus-
1a. Plants annual; reproductive stems 5–30 cm tall
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2a. Inflorescence 1–3 cm tall; glumes acuminate at apex
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2b. Inflorescence 3–8 cm tall; glumes subacute at apex
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1b. Plants perennial; reproductive stems 20–100 cm tall
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3a. Glume awns 0.8–3.2 mm long, the longer ones 1.5 mm or longer; [Fig. 251]; stems not bulbous-thickened at the base, smooth near the apex; uppermost leaf sheath slightly inflated
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3b. Glume awns 0.7–1.5(–2) mm long, usually few or none longer than 1.5 mm; stems bulbous-thickened at the base, scabrous near the apex; uppermost leaf sheath not inflated
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Each photo represents one species in this genus.